Intermediate-temperature oxidation behavior of Ti_2AlC in air

X. H. Wang; Y. C. Zhou

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Intermediate-temperature oxidation behavior of Ti_2AlC in air

机译：Ti_2AlC在空气中的中温氧化行为

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The isothermal oxidation behavior of Ti_2AlC at intermediate temperatures of 500, 600, 700, 800, and 900 deg. C in flowing air was investigated by means of thermogravimetric analysis, x-ray diffraction (XRD), Raman spectroscopy, and scanning electron microscopy (SEM)/energy dispersive spectroscopy. An anomalous oxidation with higher kinetics at lower temperatures of 500 and 600 deg. C was observed although Ti_2AlC exhibited good oxidation resistance at higher temperatures. As revealed by SEM scale morphology observation, oxidation -induced cracks present at temperatures of 500 and 600 deg. C resulted in poor protectivity of scales and accounted for the anomalous oxidation.

机译：Ti_2AlC在500、600、700、800和900摄氏度的中间温度下的等温氧化行为。通过热重分析，X射线衍射（XRD），拉曼光谱和扫描电子显微镜（SEM）/能量色散光谱研究了流动空气中的C。在500和600摄氏度的较低温度下具有较高动力学的反常氧化。尽管Ti_2AlC在较高温度下表现出良好的抗氧化性，但仍观察到C。如通过SEM鳞片形貌观察所揭示的，在500和600℃的温度下存在氧化诱导的裂纹。 C导致水垢的保护性差，并解释了异常氧化。

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《Journal of Materials Research》 |2002年第11期|p.2974-2981|共8页
作者
X. H. Wang; Y. C. Zhou;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Intermediate-temperature oxidation behavior of Ti_2AlC in air

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